Предмет: Алгебра, автор: okeyw

пожалуйста 2 упр
Дана арифметическая прогрессия
а)Напишите формулу n-го члена прогрессии
b)если a26 = 24, то k
определить и найти сумму первых пяти членов этого члена S7

жпжпжпжпж я перевела на русс

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Автор ответа: stelmahovdenis194

Ответ:

я не знаю прості брат я питався ну не получилося

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